03303 ZIP Code — Concord, NH
Merrimack County, New Hampshire
ZIP code 03303 is located in Concord, New Hampshire, within Merrimack County. It covers approximately 67.80 square miles and serves a population of 16,118 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 603.
About ZIP code 03303
The housing stock consists of a mix of housing types. Most homes were built in the 1980s, giving the area an established character. Median home value is $253,600. Owner-occupancy sits near the national average at 69%.
Median household income is $81,992. The poverty rate of 7% is below the national average. 30% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 28 minutes is near the national average.
Educational attainment is near the national average, with 31% of residents holding a bachelor's degree or higher.
16,118
population
67.80
sq mi land
Standard
ZIP type
Eastern (ET)
timezone
03303 ZIP code map
Cities in ZIP code 03303
Below are the cities the US Postal Service accepts for ZIP code 03303. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Concord | Acceptable |
| Concord | Preferred |
Nearby ZIP codes
03268 Salisbury (6.1 mi)
03229 Contoocook (7.1 mi)
03224 Canterbury (7.3 mi)
03301 Concord (8.2 mi)
03305 Concord (9.5 mi)
03278 Warner (9.8 mi)
03235 Franklin (10.1 mi)
03276 Tilton (10.6 mi)
03242 Henniker (11.6 mi)
03216 Andover (11.7 mi)
03221 Bradford (14.9 mi)
03281 Weare (15.1 mi)
Demographics
updated 06/2026
| Population | |
|---|---|
| Total population | 16,118 |
| Population density | 238 / sq mi |
| State FIPS | 33 |
| County FIPS | 013 |
| Geography | |
|---|---|
| Land area | 67.80 sq mi |
| Water area | 1.68 sq mi |
| Latitude | 43.3014 |
| Longitude | -71.6778 |
| Timezone | Eastern (ET) |
| Area code | 603 |
Total population by age
Gender
Race & ethnicity
Economics
updated 06/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 31.2% | 30.8% | 31.0% |
| $50k – $100k | 38.4% | 32.4% | 31.2% |
| $100k – $200k | 25.2% | 28.6% | 28.1% |
| Over $200k | 5.3% | 8.1% | 9.7% |
Demographics & statistics
16,118
Population
238
People per sq mi
40.9
Median age
$81,992
Median household income
$38,592
Per capita income
$253,600
Median home value
$1,305
Median monthly rent
68.6%
Home ownership
7.3%
Poverty rate
3.4%
Unemployment
4,745
Housing units
30.8%
Bachelor's or higher
Age distribution
Male
Female
392
Under 5
372
492
5–9
465
496
10–14
469
533
15–19
505
404
20–24
383
1,085
25–34
1,027
1,168
35–44
1,107
1,047
45–54
991
662
55–59
626
669
60–64
634
857
65–74
811
260
75–84
247
214
85+
202
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 3,318 | 20.6% |
| 18 and over | 12,800 | 79.4% |
| 65 and over | 2,591 | 16.1% |
| Median age | 40.9 years | |
Race & ethnicity
White
91.4%
Two or more races
2.6%
Black or African American
2.3%
Hispanic or Latino
1.6%
Asian
1.5%
Other race
0.3%
American Indian / Alaska Native
0.3%
| Group | Count | % |
|---|---|---|
| White | 14,966 | 91.4% |
| Two or more races | 425 | 2.6% |
| Black or African American | 383 | 2.3% |
| Hispanic or Latino | 261 | 1.6% |
| Asian | 239 | 1.5% |
| Other race | 54 | 0.3% |
| American Indian / Alaska Native | 45 | 0.3% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 31.2% | 30.8% | 31.0% |
| $50k – $100k | 38.4% | 32.4% | 31.2% |
| $100k – $200k | 25.2% | 28.6% | 28.1% |
| Over $200k | 5.3% | 8.1% | 9.7% |
Under $10k
3.0%
$10k–$15k
2.5%
$15k–$25k
4.7%
$25k–$35k
6.1%
$35k–$50k
9.5%
$50k–$75k
20.8%
$75k–$100k
14.0%
$100k–$150k
22.7%
$150k–$200k
8.8%
$200k+
7.7%
| Range | % of households |
|---|---|
| Under $10k | 3.0% |
| $10k–$15k | 2.5% |
| $15k–$25k | 4.7% |
| $25k–$35k | 6.1% |
| $35k–$50k | 9.5% |
| $50k–$75k | 20.8% |
| $75k–$100k | 14.0% |
| $100k–$150k | 22.7% |
| $150k–$200k | 8.8% |
| $200k+ | 7.7% |
| Median income | $81,992 |
Housing
Home values
Under $50k
5.4%
$50k–$100k
3.7%
$100k–$150k
5.9%
$150k–$200k
8.9%
$200k–$300k
45.2%
$300k–$500k
27.5%
$500k–$1M
3.0%
$1M+
0.4%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $253,600 |
| Median rent / month | $1,305 |
| Owner occupied | 68.6% |
| Renter occupied | 31.4% |
| Vacant | 4.3% |
| Single-family detached | 54.5% |
| Large apartment buildings | 11.1% |
| Mobile homes | 6.7% |
| Median rooms | 5.6 |
| Avg household size (owned) | 2.56 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.4% |
| 2010–2019 | 6.9% |
| 2000–2009 | 10.9% |
| 1990–1999 | 14.7% |
| 1980–1989 | 20.2% |
| 1970–1979 | 12.9% |
| 1960–1969 | 7.4% |
| 1950–1959 | 2.9% |
| 1940–1949 | 5.1% |
| 1939 or earlier | 18.7% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 2.1% |
| 1 bedroom | 9.9% |
| 2 bedrooms | 38.1% |
| 3 bedrooms | 36.7% |
| 4 bedrooms | 11.5% |
| 5+ bedrooms | 1.7% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 6.4% |
| 1 vehicle | 29.9% |
| 2 vehicles | 47.0% |
| 3 or more | 16.8% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 38.3% |
| Electricity | 16.4% |
| Propane / LP gas | 13.1% |
| Fuel oil | 24.0% |
| Wood | 6.2% |
| Solar | 0.5% |
| No fuel used | 0.5% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 3,346 | 51.5% |
| Cohabiting couple | 547 | 8.4% |
| Male householder, no spouse | 1,205 | 18.6% |
| Female householder, no spouse | 1,395 | 21.5% |
| Households with children under 18 | 1,770 | 27.3% |
| Households with seniors (65+) | 1,743 | 26.8% |
| Average household size | 2.40 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 33.4% | 19.9% |
| Married | 48.8% | 52.5% |
| Separated | 1.1% | 2.4% |
| Widowed | 3.2% | 9.6% |
| Divorced | 13.6% | 15.6% |
Education
Less than 9th grade
2.1%
Some HS, no diploma
4.9%
HS graduate
33.4%
Some college, no degree
19.1%
Associate's degree
9.6%
Bachelor's degree
20.7%
Graduate / professional
10.2%
| Metric | % |
|---|---|
| HS diploma or higher | 93.0% |
| Bachelor's or higher | 30.8% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 284 | 8.0% |
| Kindergarten | 184 | 5.2% |
| Elementary school | 1,535 | 43.2% |
| High school | 811 | 22.8% |
| College / grad school | 742 | 20.9% |
Employment
Industry of employment
Education & healthcare
24.2%
Retail trade
11.6%
Professional & management
9.8%
Manufacturing
8.3%
Public administration
8.0%
Construction
7.7%
Finance & real estate
7.2%
Arts, food & hospitality
6.9%
Other services
6.0%
Transportation & utilities
4.0%
Wholesale trade
3.8%
Information
1.9%
Agriculture & mining
0.5%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 42.5% |
| Service | 15.5% |
| Sales & office | 21.4% |
| Natural resources & construction | 7.6% |
| Production & transportation | 13.1% |
Employment type
| Type | % |
|---|---|
| Private sector | 76.4% |
| Government | 18.7% |
| Self-employed | 4.8% |
| Unpaid family workers | 0.0% |
Commute
| Method | % |
|---|---|
| Drive alone | 80.4% |
| Carpool | 7.6% |
| Public transit | 0.5% |
| Walk | 1.5% |
| Work from home | 9.0% |
| Other means | 1.0% |
| Avg commute (minutes) | 27.9 |
Poverty
All people
7.3%
Under 18 years
8.1%
18 and over
7.1%
Married-couple families
2.3%
Female-led households
11.0%
Income support
| Source | % of households |
|---|---|
| Social Security | 30.3% |
| Retirement income | 20.5% |
| Supplemental Security | 6.2% |
| Cash public assistance | 1.7% |
| Food stamps / SNAP | 10.1% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 28.8% |
| High blood pressure | 28.1% |
| High cholesterol | 27.1% |
| Diabetes | 7.4% |
| Heart disease | 5.1% |
| Stroke | 2.4% |
| Asthma | 11.0% |
| Arthritis | 25.1% |
| Kidney disease | 2.3% |
| Pulmonary disease | 5.8% |
| Cancer | 6.5% |
| Behavior / access | % |
|---|---|
| Smoking | 16.1% |
| Binge drinking | 18.8% |
| No physical activity | 17.7% |
| Less than 7 hrs sleep | 32.3% |
| Depression | 24.8% |
| Fair or poor health | 11.3% |
| Poor mental health | 15.0% |
| Poor physical health | 9.3% |
| No health insurance | 11.1% |
| Visited doctor (checkup) | 72.6% |
| Visited dentist | 68.5% |
| Cholesterol screening | 90.0% |
| Teeth loss | 12.5% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 1,054 | 8.2% |
| Disability | % |
|---|---|
| Any disability | 14.8% |
| Under 18 | 4.3% |
| 18–64 years | 14.7% |
| 65 and over | 30.9% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 72.5% |
| Public insurance | 34.2% |
| No insurance | 6.5% |
| Uninsured under 19 | 5.2% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 15,354 | 95.3% |
| Spanish | 211 | 1.4% |
| Other Indo-European | 29 | 0.2% |
| Asian & Pacific Islander | 83 | 0.5% |
| Other languages | 6 | 0.0% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 15,505 | 96.2% |
| Born in same state | 15,288 | 94.9% |
| Born in different state | 9,840 | 61.0% |
| Foreign born | 217 | 1.3% |
| Naturalized citizen | 613 | 3.8% |
| Not a US citizen | 398 | 64.9% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| French | 3,082 | 19.1% |
| Italian | 2,887 | 17.9% |
| German | 1,162 | 7.2% |
| Arab | 947 | 5.9% |
| English | 189 | 1.2% |
| Ancestry | Count | % |
|---|---|---|
| Polish | 113 | 0.7% |
| Irish | 60 | 0.4% |
| Norwegian | 60 | 0.4% |
| Dutch | 34 | 0.2% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 40.3% |
| Internet access | 94.2% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 03303
What city is ZIP code 03303 in?
ZIP code 03303 is primarily assigned to Concord, New Hampshire.
What county is ZIP code 03303 in?
ZIP code 03303 falls within Merrimack County, New Hampshire.
What is the population of ZIP code 03303?
ZIP code 03303 has an estimated population of 16,118 residents, with a density of 238 people per square mile.
What is the median household income in ZIP code 03303?
The median household income in ZIP code 03303 is $81,992, above the national median of ~$75,000.
What is the typical home value in ZIP code 03303?
The median home value in ZIP code 03303 is $253,600.
What timezone is ZIP code 03303 in?
ZIP code 03303 observes the EST timezone.